Wednesday, December 11, 2013

LG & AKIRA - CT-29K36ET- SMPS (Power Supply) - AUDIO OUTPUT - SCHEMATIC [Circuit Diagram] - HOW TO ENTER SERVICE MODE


STR-6656 – LTV817M – SE115N – LA4282
SMPS SCHEMATIC.
CLICK ON THE SCHEMATICS TO ZOOM IN
How to enter into the Line Service Mode with a Remote control.
  • Power off.
  • Press the Red button.
  • Press the Green button.
  • Press the Yellow button.
  • Press the Cyan button.
  • Press the OK button.
  • Power On
Preparation for Deflection Adjustment
  1. At SVC mode, press the Yellow colored button the SVC remocon.  And then, deflection data adjustment OSD(SVC2 mode) will be displayed.
  2. Press Channel UP/DOWN button for desirous function Adjustment.
  3. Press Volume UP/DOWN button to adjust the data.
  4. Tune the TV set to receive a PAL B/G Digital pattern.
VL (Vertical Linearity)
Adjust so that the boundary line between upper and lower half is in accord with geometric horizontal center of the CPT.
VA (Vertical Amplitude)
Adjust so that the circle of a digital circle pattern may be located within the effective screen of the CPT.
SC (Vertical OSO Correction)
Adjust so that all distance between each horizontal lines are to be the same.
VS (Vertical Shift)
Adjust so that the horizontal center line of a digital circle pattern is in accord with geometric horizontal center of the CPT.
HS (Horizontal Shift)
Adjust so that the vertical center line of a digital circle pattern is in accord with geometric vertical center of the CPT.
EW (Horizontal Width)
Adjust to that a digital circle pattern looks like exact circle.
EP (East-west Parabola)
Adjust so that middle portion of the outermost left and right vertical line looks like parallel with vertical lines of the CPT.
EC (East-west Corner)
Adjust so that the vertical line at every 4 corners of the screen looks like parallel with the vertical lines of the CPT.
ET (East-west Trapezium)
Adjust to make the length of top horizontal line same with it of the bottom horizontal line.
POP (POP Position)
Adjust until the distance between POP and main picture becomes about 1mm.